diff --git a/app/src/main/java/com/github/catvod/spider/Ali.java b/app/src/main/java/com/github/catvod/spider/Ali.java
index 9e52716..69044b6 100644
--- a/app/src/main/java/com/github/catvod/spider/Ali.java
+++ b/app/src/main/java/com/github/catvod/spider/Ali.java
@@ -285,7 +285,7 @@ public class Ali {
                 if (url.endsWith("/ck")) {
                     new Handler(Looper.getMainLooper()).postDelayed(() -> view.evaluateJavascript("document.getElementsByTagName('input')[0].value", value -> saveToken(value)), 1000);
                 } else if (url.endsWith("/qr")) {
-                    new Handler(Looper.getMainLooper()).postDelayed(() -> view.evaluateJavascript("document.getElementsByTagName('img')[0].src", value -> showQRCode(value)), 1000);
+                    new Handler(Looper.getMainLooper()).postDelayed(() -> view.evaluateJavascript("document.getElementsByTagName('img')[0].src", value -> showQRCode(value)), 3000);
                 }
             }
         });
@@ -300,6 +300,7 @@ public class Ali {
     }
 
     private void showQRCode(String value) {
+        if (!value.contains("base64,")) return;
         byte[] bytes = Base64.decode(value.split("base64,")[1], Base64.DEFAULT);
         FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(Misc.dp2px(250), Misc.dp2px(250));
         params.gravity = Gravity.CENTER;
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 0f2c644..994f24e 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index 1f9aeb0..34af081 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-ada79cfb8f05a9146ecc90b844b760b9
+6aa710655b59e0b3f88a283a3c4668ec